The Telegraph: Like a fist in the solar-plexus: Metallica, O2 Arena, review

The band wore black. The audience did too. My most enduring memory of Metallica at the O2 Arena, London, is not any individual moment or song but the sight of a seething sea of people repeatedly punching the air in unison, and shouting out guttural bellows, in response to a towering noise of distorted guitars, thunderous drums, and barking vocals.